635140940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{739}}^1\times {\mathrm{877}}^1$

素因数の和:1639

約数の個数: 72

約数和(自身を含む): 1555429680

約数和(自身を除く): 920288740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 739, 877, 980, 1478, 1754, 2956, 3508, 3695, 4385, 5173, 6139, 7390, 8770, 10346, 12278, 14780, 17540, 20692, 24556, 25865, 30695, 36211, 42973, 51730, 61390, 72422, 85946, 103460, 122780, 144844, 171892, 181055, 214865, 362110, 429730, 648103, 724220, 859460, 1296206, 2592412, 3240515, 4536721, 6481030, 9073442, 12962060, 18146884, 22683605, 31757047, 45367210, 63514094, 90734420, 127028188, 158785235, 317570470, 635140940]

約数ペア:

[(1, 635140940), (2, 317570470), (4, 158785235), (5, 127028188), (7, 90734420), (10, 63514094), (14, 45367210), (20, 31757047), (28, 22683605), (35, 18146884), (49, 12962060), (70, 9073442), (98, 6481030), (140, 4536721), (196, 3240515), (245, 2592412), (490, 1296206), (739, 859460), (877, 724220), (980, 648103), (1478, 429730), (1754, 362110), (2956, 214865), (3508, 181055), (3695, 171892), (4385, 144844), (5173, 122780), (6139, 103460), (7390, 85946), (8770, 72422), (10346, 61390), (12278, 51730), (14780, 42973), (17540, 36211), (20692, 30695), (24556, 25865)]